taskbar repaint event

[reiki33 <reiki33 yahoo com>]

The taskbar had two windows, Sound Juicer on the left and Firefox to the
right.  Sound Juicer had finished extracting tracks and had put up a window
underneath the Firefox window, just sticking out on the right.  I clicked on
the visible area to bring it to the top, to see if it had completed
successfully, or had some issue.  The window just vanished.  Sound Juicer
still wanted attention, since its taskbar entry was highlighted blue.  So I
minimized the Firefox window by clicking on its taskbar entry.  As it
minimized, it produced the shrinking window ghost to the Firefox taskbar
entry.  That overwrote the blue highlight of the Sound Juicer taskbar entry.  
The problem is that the Sound Juicer taskbar entry repainted the backgound
with the normal gray color rather than the blue attention color.  This
produced a taskbar entry with two background colors, blue on the lower left
and gray on the upper right, with a diagonal, slightly staircase, division
between the two background colors.
An attempt to take a screenshot caused the Sound Juicer tab to repaint in
its proper attention-blue when the "take screenshot" button was clicked,
just prior to the actual screenshot.
Since the text on the Sound Juicer tab repainted through the background
color difference, it must be seeing the repaint event; it is just using the
wrong background color for the part that gets uncovered as the shrinking
window ghost passes.
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